30 Nov '13, 6pm

#Tech Bridgestone Makes Improvements to Air-less Tire

About 90% of the tire's rolling resistance is accounted for by energy loss caused by the tire repeatedly changing its shape. This time, Bridgestone drastically reduced the energy loss by employing new materials and simplifying the tire's structure. As a result, the rolling resistance of the new model is equivalent to that of the company's air-filled fuel-saving tire. The resin and rubber used for the spoke and tread, respectively, are recyclable.

Full article: http://techon.nikkeibp.co.jp/english/NEWS_EN/20131129/319...

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aecb.net 30 Nov '13, 4pm

Yes, of course you need great u-values and low air permeability to make a Passivhaus. But AECB member Alan Clarke believes...